EP2703093B1 - Washing device for cleaning parts such as machine parts or the like - Google Patents

Washing device for cleaning parts such as machine parts or the like Download PDF

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Publication number
EP2703093B1
EP2703093B1 EP13004002.5A EP13004002A EP2703093B1 EP 2703093 B1 EP2703093 B1 EP 2703093B1 EP 13004002 A EP13004002 A EP 13004002A EP 2703093 B1 EP2703093 B1 EP 2703093B1
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EP
European Patent Office
Prior art keywords
tank
washing device
washing
pump
pipe
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EP13004002.5A
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German (de)
French (fr)
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EP2703093A1 (en
Inventor
Robert Sporer
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Sporer Robert
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Sporer Robert
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/026—Boxes for removal of dirt, e.g. for cleaning brakes, glove- boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/006—Cabinets or cupboards specially adapted for cleaning articles by hand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids

Definitions

  • the invention relates to a washing device for cleaning parts such as e.g. oil-contaminated machine parts, without the invention being limited thereto.
  • the washing device has a basket-like parts container or a washing tub which receives the parts to be cleaned, wherein the parts basket can be arranged within a washing cabin with a preferably hinged lid, while the washing tub can be open on the housing of the washing device.
  • the parts container may be rotatable about a vertical axis.
  • the washing machine further has a tank for cleaning liquid, which is preferably water, to which a cleaning agent is added.
  • a pump is provided which sucks cleaning liquid from the tank and can supply via a connecting line to a washing unit, which may be at least one arranged near the parts container nozzle tube, a washing gun or a spray brush.
  • the present invention has for its object to provide a washing device, which has a low energy consumption and in which the cleaning liquid automatically effectively freed of impurities, so that the cleaning liquid must be replaced only after a long period of use. This object is achieved by the features of claim 1.
  • the document US 6,090,276 A basically shows the rotating of the cleaning agent in front of a filter while the document US Pat. No. 7,303,908 B1 shows a two-way manifold whose outgoing lines open on the one hand in the washing device and on the other hand in a collecting container.
  • the invention provides that the housing has a circular cross-sectional shape.
  • the housing has the shape of a circular cylinder with an upper wall, which preferably has an opening in the middle, over which the outlet opening of the washing tub or the washing cubicle is located. Under the central opening of the upper housing wall, a coarse filter is arranged, in which the cleaning liquid is dropped, which has been injected onto the parts to be cleaned.
  • the cleaning liquid drains into the housing located in the tank at a distance above the bottom of the housing has a tank bottom wall with a central outlet opening for the cleaning liquid, which is connected by a line section with the suction port of the pump, the the bottom wall is arranged.
  • the space containing the pump is greatly heated by the operation of the pump.
  • the housing including its upper end wall is thermally insulated.
  • the bottom wall of the tank with the central exit opening for the cleaning fluid need not be thermally insulated.
  • the invention provides that in the connecting line a filter housing is turned on with a filter through which the pump presses the cleaning liquid. Downstream of the filter housing, a manifold is connected in the connecting line, from which a line branches, which leads through the wall of the housing into the tank and there introduces the detergent tangentially into the round tank, such that the cleaning agent in the tank in rotation is offset.
  • the cleaning liquid is supplied from the two-way manifold of the washing unit, wherein the enriched with dirt particles Cleaning fluid falls through the coarse filter into the tank.
  • the coarse filter Retains the coarse impurities, however, contains the cleaning liquid in the tank a variety of fine dirt particles, which are distributed in the tank.
  • the pump Upon completion of the wash, the pump continues to operate, and the two-way manifold now introduces the cleaning liquid laterally into the tank, thereby rotating the cleaning agent in the tank.
  • the floating in the cleaning liquid dirt particles are gradually transported to the center of the tank, where they accumulate over the suction port of the pump and are pumped by the pump into the filter housing and through the filter cartridge arranged therein.
  • the cleaning fluid heats up after 4.5 to 6 hours of pump operation to a temperature between about 48 ° C and 70 ° C, so that the washer requires no separate heating for the cleaning fluid.
  • the heat comes from the pump and its electric motor.
  • a metallic tube is connected, which is strongly heated in the pump room.
  • the tube preferably made of stainless steel, runs helically in order to extend the path of the cleaning fluid through the "heating tube" before it can be connected to the e.g. made of plastic connecting line connects.
  • the heating is enhanced when the further conduit leading into the tank is connected in the tank to a circular extending tube having a smaller inner diameter of about 3 to 10 mm and extending over at least half of the peripheral wall of the tank. It has been found in experiments that the cleaning liquid heats up all the more the same conditions the more the pipe extends in a circle. When extended over the entire circumference of the tank (near its peripheral wall), after the same duration of the process a significantly higher Temperature than in an extension of the tube only over half of the circumference.
  • the pump is preferably a centrifugal pump having a power of about 0.1 kilowatt to about 3.0 kilowatts, depending on the size of the tank, which preferably contains 30 to 200 liters of cleaning fluid.
  • the circular pipe is preferably made of stainless steel.
  • the washing device according to the invention consumes very little energy. While the pump frees the cleaning fluid highly effectively from all dirt particles while the washing mode is at rest, the cleaning fluid is heated without additional heating device.
  • FIGS. 1 and 2 show purely schematically a washing device, which has a heat-insulated housing 1, which contains a cylindrical peripheral wall 2, the is bounded above by a wall 3 with a central opening 4. Above the housing 1, a washing tub 5 is arranged, are washed in the dirty parts.
  • the housing 1 contains in its upper region a tank 6, which is bounded approximately at half the height by a non-insulated wall 7, which contains a central outlet opening 8 for the cleaning liquid.
  • the outlet opening 8 is connected by a pipe section 9 with the suction port of a pump 10, which is located in the space 11 below the tank 6.
  • the space 11 is closed by a bottom wall 12 and vented through slots 13 in the peripheral wall.
  • a helically extending stainless steel tube 28 which is heated in the pump room, which can be up to 65 ° C, is heated to a connecting line 14, which extends to a filter housing 15 in which a Filter cartridge 16 is arranged, through which the cleaning liquid is pressed.
  • the connecting line 14 leads to a manifold 17, where the line 14 branches into a line 18 and a line 19.
  • a valve can be arranged in order to release one or the other line with the aid of a control device.
  • the two valves can also be arranged a three-way valve.
  • the line 19 leads to a stopcock 20 for a washing gun 21, which is connected by means of a hose 22 to the stopcock.
  • the conduit 18 passes through the wall 2 of the tank 6 and contains at its end projecting into the interior of the tank 6 a nozzle 23.
  • a steel pipe 24 is connected, which extends at a small distance along the cylindrical peripheral wall. 2 of the housing 1 extends.
  • the tube 24 has a very small inner diameter of a few millimeters and is arranged horizontally in the tank 6. The tube 24 extends almost over the entire circumference of the wall 2.
  • the cleaning liquid enriched with dirt particles falls into a coarse filter 25, which is arranged below the opening 4. Fine dirt particles reach the tank 6 with the cleaning liquid.
  • FIG. 2 indicates that during the rotary movement of the cleaning liquid the foreign particles are conveyed to the center of the tank 6, from where they are sucked by the pump 10. These foreign particles are secreted in the filter cartridge 16.
  • FIGS. 3 and 4 show a washing machine with an open washing tub 5, which rests on a frame 27 which contains a plurality of support feet.
  • the housing or the container 1 is attached to the feet.
  • the washing device of FIG. 5 contains above the housing 1, a washing cabin 29 with a lid 30 which is hinged.
  • a basket-like parts container 31 is arranged, which rests with a lower sprocket on a drive gear 32 and freewheeling gears 33.
  • Above and below the parts container 31 are an upper nozzle tube 34 and a lower nozzle tube 35, which are connected to the line 19 and direct cleaning liquid from their nozzles on the located in the parts container 31 to be cleaned objects.
  • a drive motor 36 drives the drive gear 32 via a gear 37.
  • Solenoid valves 38 and 39 are provided for the lines 19 and 18.
  • the washing device according to the invention is suitable for heating the cleaning medium with a very low energy expenditure of the pump, wherein the heat of the pump chamber and the friction of the medium in the circular tube in the tank are used.
  • the pump For efficient cleaning, the pump must force the cleaning medium through the filter cartridge for a long period of time, resulting in the heat used for heating. As a result, the usual high heating costs of conventional washing appliances are saved.
  • the nozzle located in the tank or the circularly extending nozzle tube must be adapted to the pump performance.

Description

Die Erfindung betrifft ein Waschgerät zum Reinigen von Teilen wie z.B. ölverschmutzten Maschinenteilen, ohne dass die Erfindung hierauf beschränkt ist. Das Waschgerät hat einen korbartigen Teilebehälter oder eine Waschwanne, die die zu reinigenden Teile aufnimmt, wobei der Teilekorb innerhalb einer Waschkabine mit einem bevorzugt aufklappbaren Deckel angeordnet sein kann, während sich die Waschwanne offen auf dem Gehäuse des Waschgeräts befinden kann. Der Teilebehälter kann um eine vertikale Achse drehbar angeordnet sein.The invention relates to a washing device for cleaning parts such as e.g. oil-contaminated machine parts, without the invention being limited thereto. The washing device has a basket-like parts container or a washing tub which receives the parts to be cleaned, wherein the parts basket can be arranged within a washing cabin with a preferably hinged lid, while the washing tub can be open on the housing of the washing device. The parts container may be rotatable about a vertical axis.

Das Waschgerät hat ferner einen Tank für Reinigungsflüssigkeit, bei der es sich vorzugsweise um Wasser handelt, dem ein Reinigungsmittel hinzugefügt ist. Außerdem ist eine Pumpe vorgesehen, die Reinigungsflüssigkeit aus dem Tank ansaugt und über eine Verbindungsleitung einer Wascheinheit zuführen kann, bei der es sich um wenigstens ein nahe dem Teilebehälter angeordnetes Düsenrohr, eine Waschpistole oder einen Sprühpinsel handeln kann.The washing machine further has a tank for cleaning liquid, which is preferably water, to which a cleaning agent is added. In addition, a pump is provided which sucks cleaning liquid from the tank and can supply via a connecting line to a washing unit, which may be at least one arranged near the parts container nozzle tube, a washing gun or a spray brush.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Waschgerät anzugeben, das einen geringen Energieverbrauch hat und bei dem sich die Reinigungsflüssigkeit selbsttätig wirkungsvoll von Verunreinigungen befreit, so dass die Reinigungsflüssigkeit erst nach langer Gebrauchsdauer ausgetauscht werden muss. Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.The present invention has for its object to provide a washing device, which has a low energy consumption and in which the cleaning liquid automatically effectively freed of impurities, so that the cleaning liquid must be replaced only after a long period of use. This object is achieved by the features of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet. Das Dokument US 6,090,276 A zeigt grundsätzlich das Rotieren des Reinigungsmittels vor einem Filter, während das Dokument US 7,303,908 B1 einen Zwei-Wege-Verteiler zeigt, dessen abgehende Leitungen einerseits in dem Waschgerät und andererseits in einem Sammelbehälter münden. Die Erfindung sieht vor, dass das Gehäuse eine kreisrunde Querschnittsform hat. Bevorzugt hat das Gehäuse die Form eines Kreiszylinders mit einer oberen Wand, die vorzugsweise in der Mitte eine Öffnung hat, über der sich die Austrittsöffnung der Waschwanne oder der Waschkabine befindet. Unter der mittigen Öffnung der oberen Gehäusewand ist ein Grobfilter angeordnet, in den die Reinigungsflüssigkeit fällt, die auf die zu reinigenden Teile gespritzt worden ist.Advantageous embodiments of the invention are characterized in the subclaims. The document US 6,090,276 A basically shows the rotating of the cleaning agent in front of a filter while the document US Pat. No. 7,303,908 B1 shows a two-way manifold whose outgoing lines open on the one hand in the washing device and on the other hand in a collecting container. The invention provides that the housing has a circular cross-sectional shape. Preferably, the housing has the shape of a circular cylinder with an upper wall, which preferably has an opening in the middle, over which the outlet opening of the washing tub or the washing cubicle is located. Under the central opening of the upper housing wall, a coarse filter is arranged, in which the cleaning liquid is dropped, which has been injected onto the parts to be cleaned.

Aus dem Grobfilter läuft die Reinigungsflüssigkeit in den in dem Gehäuse befindlichen Tank ab, der im Abstand über dem Boden des Gehäuses eine Tank-Bodenwand mit einer mittigen Austrittsöffnung für die Reinigungsflüssigkeit hat, die durch einen Leitungsabschnitt mit der Ansaugöffnung der Pumpe verbunden ist, die unter der Bodenwand angeordnet ist. Der die Pumpe enthaltende Raum wird durch den Betrieb der Pumpe stark erwärmt.From the coarse filter, the cleaning liquid drains into the housing located in the tank at a distance above the bottom of the housing has a tank bottom wall with a central outlet opening for the cleaning liquid, which is connected by a line section with the suction port of the pump, the the bottom wall is arranged. The space containing the pump is greatly heated by the operation of the pump.

Das Gehäuse einschließlich seiner oberen Abschlusswand ist wärmeisoliert. Die Bodenwand des Tanks mit der mittigen Austrittsöffnung für die Reinigungsflüssigkeit muss nicht wärmeisoliert sein.The housing including its upper end wall is thermally insulated. The bottom wall of the tank with the central exit opening for the cleaning fluid need not be thermally insulated.

Weiter sieht die Erfindung vor, dass in die Verbindungsleitung ein Filtergehäuse mit einem Filter eingeschaltet ist, durch den die Pumpe die Reinigungsflüssigkeit presst. Stromabwärts des Filtergehäuses ist ein Verteiler in die Verbindungs-leitung eingeschaltet, von dem eine Leitung abzweigt, die durch die Wand des Gehäuses in den Tank führt und dort das Reinigungsmittel tangential in den runden Tank einführt, derart, dass das Reinigungsmittel in dem Tank in Rotation versetzt wird.Next, the invention provides that in the connecting line a filter housing is turned on with a filter through which the pump presses the cleaning liquid. Downstream of the filter housing, a manifold is connected in the connecting line, from which a line branches, which leads through the wall of the housing into the tank and there introduces the detergent tangentially into the round tank, such that the cleaning agent in the tank in rotation is offset.

Bei einem Waschvorgang wird die Reinigungsflüssigkeit von dem Zwei-Wege-Verteiler der Wascheinheit zugeführt, wobei die mit Schmutzpartikeln angereicherte Reinigungsflüssigkeit durch den Grobfilter hindurch in den Tank fällt. Der Grobfilter hält die groben Verunreinigungen zurück, jedoch enthält die Reinigungsflüssigkeit in dem Tank eine Vielzahl feiner Schmutzpartikel, die in dem Tank verteilt sind.In a washing process, the cleaning liquid is supplied from the two-way manifold of the washing unit, wherein the enriched with dirt particles Cleaning fluid falls through the coarse filter into the tank. The coarse filter Retains the coarse impurities, however, contains the cleaning liquid in the tank a variety of fine dirt particles, which are distributed in the tank.

Nach Beendigung des Waschvorgangs arbeitet die Pumpe weiter, und der Zwei-Wege-Verteiler führt nun die Reinigungsflüssigkeit seitlich in den Tank ein, wobei das Reinigungsmittel in dem Tank in eine Drehung versetzt wird. Dabei werden die in der Reinigungsflüssigkeit schwimmenden Schmutzpartikel allmählich zur Mitte des Tanks befördert, wo sie sich über der Ansaugöffnung der Pumpe ansammeln und durch die Pumpe in das Filtergehäuse und durch die darin angeordnete Filterpatrone gefördert werden.Upon completion of the wash, the pump continues to operate, and the two-way manifold now introduces the cleaning liquid laterally into the tank, thereby rotating the cleaning agent in the tank. The floating in the cleaning liquid dirt particles are gradually transported to the center of the tank, where they accumulate over the suction port of the pump and are pumped by the pump into the filter housing and through the filter cartridge arranged therein.

Auf diese Weise wird die Reinigungsflüssigkeit allmählich nahezu vollständig von Schmutz- bzw. Fremdpartikeln befreit.In this way, the cleaning liquid is gradually almost completely freed from dirt or foreign particles.

Bei diesem Vorgang, der mehrere Stunden lang durchgeführt wird, tritt überraschenderweise eine starke Erwärmung der Reinigungsflüssigkeit auf. Die Reinigungsflüssigkeit heizt sich nach 4,5 bis 6 Stunden Pumpenbetrieb auf eine Temperatur zwischen etwa 48°C und 70°C auf, so dass das Waschgerät keine gesonderte Heizung für die Reinigungsflüssigkeit benötigt. Die Wärme kommt zum einen von der Pumpe und deren Elektromotor. Mit besonderem Vorteil ist in diesem Zusammenhang vorgesehen, dass mit dem Pumpenausgang ein metallisches Rohr verbunden ist, das in dem Pumpenraum stark erwärmt wird. Das bevorzugt aus Edelstahl bestehende Rohr verläuft spiralförmig, um den Weg der Reinigungsflüssigkeit durch das "Heizrohr" zu verlängern, bevor es an die z.B. aus Kunststoff bestehende Verbindungsleitung anschließt.In this process, which is carried out for several hours, occurs, surprisingly, a strong heating of the cleaning liquid. The cleaning fluid heats up after 4.5 to 6 hours of pump operation to a temperature between about 48 ° C and 70 ° C, so that the washer requires no separate heating for the cleaning fluid. The heat comes from the pump and its electric motor. With particular advantage is provided in this context that with the pump outlet, a metallic tube is connected, which is strongly heated in the pump room. The tube, preferably made of stainless steel, runs helically in order to extend the path of the cleaning fluid through the "heating tube" before it can be connected to the e.g. made of plastic connecting line connects.

Das Aufheizen wird verstärkt, wenn die in den Tank führende weitere Leitung in dem Tank mit einem kreisförmig sich erstreckenden Rohr verbunden ist, das einen kleineren Innendurchmesser von etwa 3 bis 10 mm hat und sich wenigstens über die Hälfte der Umfangswand des Tanks erstreckt. Es hat sich bei Versuchen herausgestellt, dass sich die Reinigungsflüssigkeit bei ansonsten gleichen Bedingungen um so mehr erhitzt, je weiter sich das Rohr kreisförmig erstreckt. Bei einer Erstreckung über den gesamten Umfang des Tanks (nahe dessen Umfangswand) stellt sich nach der selben Dauer des Vorgangs eine deutlich höhere Temperatur ein als bei einer Erstreckung des Rohrs nur über die Hälfte des Kreisumfangs.The heating is enhanced when the further conduit leading into the tank is connected in the tank to a circular extending tube having a smaller inner diameter of about 3 to 10 mm and extending over at least half of the peripheral wall of the tank. It has been found in experiments that the cleaning liquid heats up all the more the same conditions the more the pipe extends in a circle. When extended over the entire circumference of the tank (near its peripheral wall), after the same duration of the process a significantly higher Temperature than in an extension of the tube only over half of the circumference.

Da die Reinigungsflüssigkeit mit großem Druck durch das enge Rohr gepumpt wird, ist anzunehmen, dass hierbei Reibungswärme entsteht, die die Reinigungsflüssigkeit weiter aufheizt.Since the cleaning fluid is pumped through the narrow tube at high pressure, it is to be assumed that frictional heat is generated which further heats the cleaning fluid.

Bei der Pumpe handelt es sich vorzugsweise um eine Kreiselpumpe, die eine Leistung von etwa 0,1 Kilowatt bis etwa 3,0 Kilowatt aufweist, je nach Größe des Tanks, der vorzugsweise 30 bis 200 l Reinigungsflüssigkeit enthält.The pump is preferably a centrifugal pump having a power of about 0.1 kilowatt to about 3.0 kilowatts, depending on the size of the tank, which preferably contains 30 to 200 liters of cleaning fluid.

Das kreisförmig verlaufende Rohr besteht vorzugsweise aus Edelstahl.The circular pipe is preferably made of stainless steel.

Das erfindungsgemäße Waschgerät verbraucht sehr wenig Energie. Während die Pumpe bei ruhendem Waschbetrieb die Reinigungsflüssigkeit hochgradig wirksam von allen Schmutzpartikeln befreit, wird die Reinigungsflüssigkeit ohne zusätzliche Heizeinrichtung aufgeheizt.The washing device according to the invention consumes very little energy. While the pump frees the cleaning fluid highly effectively from all dirt particles while the washing mode is at rest, the cleaning fluid is heated without additional heating device.

Weitere Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung sowie anhand der Zeichnungen. Dabei zeigen:

Figur 1
eine rein schematische Darstellung einer Ausführungsform des Waschgeräts mit einer Waschwanne;
Figur 2
einen rein schematischen Horizontalschnitt durch das Waschgerät gemäß Figur 1;
Figur 3
eine perspektivische Darstellung eines Waschgeräts mit Wasch-wanne;
Figur 4
eine perspektivische Ansicht des Waschgeräts gemäß Figur 3 schräg von unten;
Figur 5
eine rein schematische Darstellung einer Ausführungsform mit korbartigem Teilbehälter.
Further details of the invention will become apparent from the following description and from the drawings. Showing:
FIG. 1
a purely schematic representation of an embodiment of the washing device with a washing tub;
FIG. 2
a purely schematic horizontal section through the washing device according to FIG. 1 ;
FIG. 3
a perspective view of a washing machine with washing tub;
FIG. 4
a perspective view of the washing device according to FIG. 3 diagonally from below;
FIG. 5
a purely schematic representation of an embodiment with basket-like part container.

Die Figuren 1 und 2 zeigen rein schematisch ein Waschgerät, das ein wärmeisoliertes Gehäuse 1 hat, das eine zylindrische Umfangswand 2 enthält, die oben von einer Wand 3 mit einer mittigen Öffnung 4 begrenzt ist. Über dem Gehäuse 1 ist eine Waschwanne 5 angeordnet, in der verschmutzte Teile gewaschen werden.The Figures 1 and 2 show purely schematically a washing device, which has a heat-insulated housing 1, which contains a cylindrical peripheral wall 2, the is bounded above by a wall 3 with a central opening 4. Above the housing 1, a washing tub 5 is arranged, are washed in the dirty parts.

Das Gehäuse 1 enthält in seinem oberen Bereich einen Tank 6, der etwa auf halber Höhe durch eine nicht isolierte Wand 7 begrenzt ist, die eine mittige Austrittsöffnung 8 für die Reinigungsflüssigkeit enthält. Die Austrittsöffnung 8 ist durch ein Rohrstück 9 mit der Ansaugöffnung einer Pumpe 10 verbunden, die sich in dem Raum 11 unter dem Tank 6 befindet. Der Raum 11 ist durch eine untere Wand 12 verschlossen und durch Schlitze 13 in der Umfangswand belüftet. Von der Druckseite der Pumpe 10 führt ein spiralförmig sich erstreckendes Edelstahl-Rohr 28, das in dem Pumpenraum, der bis zu 65°C warm werden kann, stark erwärmt wird, zu einer Verbindungsleitung 14, die zu einem Filtergehäuse 15 verläuft, in dem eine Filterpatrone 16 angeordnet ist, durch die die Reinigungsflüssigkeit gepresst wird. Vom Ausgang des Filtergehäuses 15 führt die Verbindungsleitung 14 zu einem Verteilerstutzen 17, wo sich die Leitung 14 in eine Leitung 18 und eine Leitung 19 verzweigt. In beiden Leitungen 18, 19 kann je ein Ventil angeordnet sein, um mit Hilfe einer Steuereinrichtung die eine oder andere Leitung frei zu geben. Statt der zwei Ventile kann auch ein Drei-Wege-Ventil angeordnet sein.The housing 1 contains in its upper region a tank 6, which is bounded approximately at half the height by a non-insulated wall 7, which contains a central outlet opening 8 for the cleaning liquid. The outlet opening 8 is connected by a pipe section 9 with the suction port of a pump 10, which is located in the space 11 below the tank 6. The space 11 is closed by a bottom wall 12 and vented through slots 13 in the peripheral wall. From the pressure side of the pump 10, a helically extending stainless steel tube 28, which is heated in the pump room, which can be up to 65 ° C, is heated to a connecting line 14, which extends to a filter housing 15 in which a Filter cartridge 16 is arranged, through which the cleaning liquid is pressed. From the outlet of the filter housing 15, the connecting line 14 leads to a manifold 17, where the line 14 branches into a line 18 and a line 19. In each of the two lines 18, 19 a valve can be arranged in order to release one or the other line with the aid of a control device. Instead of the two valves can also be arranged a three-way valve.

Die Leitung 19 führt zu einem Absperrhahn 20 für eine Waschpistole 21, die mittels eines Schlauchs 22 an den Absperrhahn angeschlossen ist.The line 19 leads to a stopcock 20 for a washing gun 21, which is connected by means of a hose 22 to the stopcock.

Die Leitung 18 führt durch die Wand 2 des Tanks 6 und enthält an ihrem ins Innere des Tanks 6 ragenden Ende eine Düse 23. An die Düse 23 ist ein aus Stahl bestehendes Rohr 24 angeschlossen, das sich in einem kleinen Abstand entlang der zylindrischen Umfangswand 2 des Gehäuses 1 erstreckt. Das Rohr 24 hat einen sehr kleinen Innendurchmesser von einigen Millimetern und ist horizontal in dem Tank 6 angeordnet. Das Rohr 24 erstreckt sich nahezu über den gesamten Umfang der Wand 2.The conduit 18 passes through the wall 2 of the tank 6 and contains at its end projecting into the interior of the tank 6 a nozzle 23. To the nozzle 23, a steel pipe 24 is connected, which extends at a small distance along the cylindrical peripheral wall. 2 of the housing 1 extends. The tube 24 has a very small inner diameter of a few millimeters and is arranged horizontally in the tank 6. The tube 24 extends almost over the entire circumference of the wall 2.

Bei einem Waschvorgang fällt die mit Schmutzpartikeln angereicherte Reinigungsflüssigkeit in einen Grobfilter 25, der unter der Öffnung 4 angeordnet ist. Feine Schmutzpartikel gelangen mit der Reinigungsflüssigkeit in den Tank 6.During a washing process, the cleaning liquid enriched with dirt particles falls into a coarse filter 25, which is arranged below the opening 4. Fine dirt particles reach the tank 6 with the cleaning liquid.

Figur 2 deutet an, dass bei der rotierenden Bewegung der Reinigungsflüssigkeit die Fremdpartikel zum Zentrum des Tanks 6 befördert werden, von wo sie von der Pumpe 10 abgesaugt werden. Diese Fremdpartikel werden in der Filterpatrone 16 abgesondert. FIG. 2 indicates that during the rotary movement of the cleaning liquid the foreign particles are conveyed to the center of the tank 6, from where they are sucked by the pump 10. These foreign particles are secreted in the filter cartridge 16.

Die Figuren 3 und 4 zeigen ein Waschgerät mit einer offenen Waschwanne 5, die auf einem Gestell 27 aufliegt, das mehrere Stützfüße enthält. Das Gehäuse bzw. der Behälter 1 ist an den Füßen befestigt.The Figures 3 and 4 show a washing machine with an open washing tub 5, which rests on a frame 27 which contains a plurality of support feet. The housing or the container 1 is attached to the feet.

In Figur 5 sind nur die Bezugszeichen angegeben, die sich auf Bauteile beziehen, die bei der Ausführungsform der Figuren 1 und 2 nicht vorhanden sind. Das Waschgerät der Figur 5 enthält über dem Gehäuse 1 eine Waschkabine 29 mit einem Deckel 30, der aufklappbar ist. In der Waschkabine 29 ist ein korbartiger Teilebehälter 31 angeordnet, der mit einem unteren Zahnkranz auf einem Antriebszahnrad 32 und freilaufenden Zahnrädern 33 aufliegt. Über und unter dem Teilebehälter 31 befinden sich ein oberes Düsenrohr 34 und ein unteres Düsenrohr 35, die an die Leitung 19 angeschlossen sind und aus ihren Düsen Reinigungsflüssigkeit auf die in dem Teilebehälter 31 befindlichen zu reinigenden Gegenstände richten. Ein Antriebsmotor 36 treibt über ein Getriebe 37 das Antriebszahnrad 32 an. Magnetventile 38 und 39 sind für die Leitungen 19 und 18 vorgesehen.In FIG. 5 only the reference numerals which refer to components which in the embodiment of the Figures 1 and 2 are not available. The washing device of FIG. 5 contains above the housing 1, a washing cabin 29 with a lid 30 which is hinged. In the washing cabin 29, a basket-like parts container 31 is arranged, which rests with a lower sprocket on a drive gear 32 and freewheeling gears 33. Above and below the parts container 31 are an upper nozzle tube 34 and a lower nozzle tube 35, which are connected to the line 19 and direct cleaning liquid from their nozzles on the located in the parts container 31 to be cleaned objects. A drive motor 36 drives the drive gear 32 via a gear 37. Solenoid valves 38 and 39 are provided for the lines 19 and 18.

Mit dem Bezugszeichen 40 in den Figuren 1 und 5 ist eine Heizeinrichtung bezeichnet, die zusätzlich vorgesehen sein kann.With the reference numeral 40 in the FIGS. 1 and 5 is a heating device referred to, which may be additionally provided.

Das erfindungsgemäße Waschgerät ist dazu geeignet, mit einem sehr geringen Energieaufwand der Pumpe das Reinigungsmedium aufzuheizen, wobei die Wärme des Pumpenraums und die Reibung des Mediums in dem kreisförmigen Rohr in dem Tank genutzt werden. Um eine effiziente Abreinigung zu erreichen, muss die Pumpe das Reinigungsmedium über einen langen Zeitraum durch die Filterpatrone pressen, wobei die zum Aufheizen genutzte Wärme entsteht. Hierdurch werden die bisher üblichen hohen Heizkosten herkömmlicher Wasch-geräte eingespart.The washing device according to the invention is suitable for heating the cleaning medium with a very low energy expenditure of the pump, wherein the heat of the pump chamber and the friction of the medium in the circular tube in the tank are used. For efficient cleaning, the pump must force the cleaning medium through the filter cartridge for a long period of time, resulting in the heat used for heating. As a result, the usual high heating costs of conventional washing appliances are saved.

Die in dem Tank befindliche Düse bzw. das kreisförmig sich erstreckende Düsenrohr muss dabei an die Pumpenleistung angepasst werden.The nozzle located in the tank or the circularly extending nozzle tube must be adapted to the pump performance.

Versuche des Anmelders haben ergeben, dass durch die Nutzung dieser Wärme eine Energieersparnis gegenüber herkömmlichen Geräten von bis zu 60 % erreicht wird.Attempts of the applicant have shown that by using this heat energy savings compared to conventional devices of up to 60% is achieved.

Claims (11)

  1. A washing device for cleaning components, such as machine components or the like, including a housing (1), a washing tub (5) or a cage-like component container, a tank (6) for cleaning liquid and including a pump (10), which supplies cleaning liquid via a connecting conduit out of the tank to a washing unit (21, 34), which is either at least one nozzle jet or a washing gun or a spray brush, characterised in that the housing (1) and the tank (6) have a circular cross-sectional shape, that the tank (6) has a base wall (7), spaced above the base (12) of the washing device, with a central outlet opening (8) for the cleaning liquid, which is connected by a conduit section (9) to the inlet opening of the pump (10) arranged beneath the base wall (7), that a filter housing (15) with a filter (16) is connected into the connecting conduit (14) and that connected into the connecting conduit (14) downstream of the filter housing (15) there is a two-way distributor (17), branching off from which there is a further conduit (18), which extends through the wall (2) of the housing (1) into the tank (6) and there introduces the cleaning agent into the tank (6) so that the cleaning agent is caused to rotate.
  2. A washing device as claimed in claim 1, characterised in that one end of a pipe (28) consisting of metal is in contact with the outlet of the pump, the other end of which is connected to the connecting conduit (14).
  3. A washing device as claimed in claim 2, characterised in that the pipe (28) is of spiral shape.
  4. A washing device as claimed in claims 1 to 3, characterised in that the further conduit (18) is connected in the tank (6) to a pipe (24) of substantially circular shape, which has a smaller diameter than the conduit (18).
  5. A washing device as claimed in claim 4, characterised in that the pipe (24) extends close to the peripheral wall (2) of the tank (6), at least over half the peripheral wall (2).
  6. A washing device as claimed in claim 5, characterised in that the pipe (24) extends nearly over the entire circular periphery or beyond.
  7. A washing device as claimed in claims 4 to 6, characterised in that a nozzle (23) is arranged between the conduit (18) and the pipe (24).
  8. A washing device as claimed in claims 4 to 7, characterised in that the internal diameter of the pipe (24) is matched to the output of the pump (10).
  9. A washing device as claimed in claim 8, characterised in that the pipe (24) has an internal diameter of 3mm to 10mm.
  10. A washing device as claimed in claim 7 or 8, characterised in that the pump (10) is a centrifugal pump, which has a rated power of about 0.3kilowatts to 2.2kilowatts.
  11. A washing device as claimed in claims 1 to 10, characterised by a control device for the valves (38, 39), through which the cleaning liquid is fed either to the washing unit or directly to the tank (6).
EP13004002.5A 2012-09-01 2013-08-09 Washing device for cleaning parts such as machine parts or the like Not-in-force EP2703093B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012017377.6A DE102012017377B4 (en) 2012-09-01 2012-09-01 Washing device for cleaning parts such as machine parts or the like

Publications (2)

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EP2703093A1 EP2703093A1 (en) 2014-03-05
EP2703093B1 true EP2703093B1 (en) 2014-12-10

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EP13004002.5A Not-in-force EP2703093B1 (en) 2012-09-01 2013-08-09 Washing device for cleaning parts such as machine parts or the like

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US (1) US20140060588A1 (en)
EP (1) EP2703093B1 (en)
CA (1) CA2810070A1 (en)
DE (1) DE102012017377B4 (en)

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DE202011104252U1 (en) * 2011-08-11 2011-10-20 Robert Sporer Wash booth apparatus for washing workpieces or the like

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Publication number Publication date
US20140060588A1 (en) 2014-03-06
DE102012017377B4 (en) 2016-08-04
DE102012017377A1 (en) 2014-03-06
EP2703093A1 (en) 2014-03-05
CA2810070A1 (en) 2014-03-01

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